DNSSEC – RFC7646 NTA – RFC5011 TA updates
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Not so long ago, monitoring attackers in our telnet honeypots helped reveal an interesting botnet composed of ASUS brand home routers. A botnet trying to log into our SSH honeypot running on Turris routers most frequently in the last two weeks is a botnet whose IP addresses, according to Shodan, often have one common characteristic: they respond with cookie AIROS_SESSIONID on port 80. This cookie points at AirOS running on Ubiquiti airRouter. According to data from Shodan, about 20% of attacking IP addresses out of a total of about 6500 can be identified as AirOS due to this cookie. Many addresses, however, come from dynamic pools yet unknown to Shodan.
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Since you’re reading this, you probably know Lua, the world’s most infuriating language. If not, hop on to Lua in 15 minutes to get the basics right. Now there are two types of use cases where Lua shines – as a tiny script/configuration language, and for high-performance data processing (with JIT). I went through both of them with kresd, and wrote down some notes.
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validator – need for speed – RPZ – views – new tests
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In previous blogposts on the “rom-0” bug in 2014 and earlier this year, I first explained its nature and gave instructions on its patching.
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It has been a few weeks since the final version of Knot DNS 2.0 came out. While it’s still fresh, I would like to explain our motivation for this new major version and also to summarize the most important changes included in this significant release.
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Last week Prague (and our Association together with the Brocade company) hosted the IETF 93 summit. You might have read about the functioning of this community at Root.cz, in the article (in Czech language only) by Ladislav Lhotka from our labs. The same server wrote (in Czech language only) also about Edward Snowden’s (virtual) participation in the summit.
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No larger team can work with one data source and one incident management system today(at least we don’t know such team yet). That’s why every team is engaged in the development of their own tools or at least their own upgrade for already existing tools.
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IETF93 – prefetching and predictions – more cwrap – validating signatures
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I/O improvements – documenting – validation – Happy Eyeballs
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